Help Center/ MapReduce Service/ Component Operation Guide (LTS) (Ankara Region)/ Using CarbonData/ CarbonData Syntax Reference/ DML/ DROP SECONDARY INDEX
Updated on 2024-11-29 GMT+08:00
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DROP SECONDARY INDEX

Function

This command is used to delete the existing secondary index table in a specific table.

Syntax

DROP INDEX [IF EXISTS] index_name ON [db_name.]table_name;

Parameter Description

Table 1 DROP SECONDARY INDEX parameters

Parameter

Description

index_name

Name of the index table. Table name contains letters, digits, and underscores (_).

db_Name

Name of the database. If the parameter is not specified, the current database is used.

table_name

Name of the table to be deleted.

Usage Guidelines

In this command, IF EXISTS and db_name are optional.

Examples

DROP INDEX if exists productNameIndexTable ON productdb.productSalesTable;

System Response

Secondary Index Table will be deleted. Index information will be cleared in CarbonData table and the success message will be recorded in system logs.

Parent topic: DML